13=4q+9

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Solution for 13=4q+9 equation:


Simplifying
13 = 4q + 9

Reorder the terms:
13 = 9 + 4q

Solving
13 = 9 + 4q

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add '-4q' to each side of the equation.
13 + -4q = 9 + 4q + -4q

Combine like terms: 4q + -4q = 0
13 + -4q = 9 + 0
13 + -4q = 9

Add '-13' to each side of the equation.
13 + -13 + -4q = 9 + -13

Combine like terms: 13 + -13 = 0
0 + -4q = 9 + -13
-4q = 9 + -13

Combine like terms: 9 + -13 = -4
-4q = -4

Divide each side by '-4'.
q = 1

Simplifying
q = 1

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